Oscar Pistorius trial, on hold as he undergoes a psychiatric evaluation. The judge ruling this morning that the 30-day evaluation will start on Monday. And lama Hasan joins us with the latest. Quite a turn here, lama. Good morning. Reporter: Good morning, robin. For 30 days, the blade runner will have to be evaluated by doctors, to determine if he has a clinical disorder. Answering these questions -- does it make him more vulnerable? Would it have affected his judgment the night of the shooting? And does he know right from wrong? The accused remains at the hospital. Reporter: In the latest twist of his two-month-long courtroom drama, Oscar Pistorius, ordered to appear 30 days at a hospital for psychiatric evaluation. A psychologist and clinical psychiatrist will have to decide if he knew what he was doing when he shot and killed his model girlfriend, reeva steenkamp. Pistorius' camp argued that the blade runner was more vulnerable than the rest of us, because of his disability. The doctor testifying offcamera last week, telling the court, Pistorius was suffering from what she called generalized anxiety disorder, making him jittery and anxious. He bought a firearm for his own protection. He had a burglary at his town house. And this resulted in him adding extensive security measures to his prosecute. Reporter: But prosecutor gerrie nel went on the attack. For somebody who is suffering from general anxiety disorder, would that make him a dangerous person. People with generalized anxiety disorders, probably shouldn't have firearms. Reporter: If the evaluation proves he is suffering from general anxiety disorder, it could play a role when it comes to sentencing.

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